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68 lines
3.0 KiB
68 lines
3.0 KiB
(eval-and-compile
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(require 'slime))
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(define-slime-contrib slime-fancy-trace
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"Enhanced version of slime-trace capable of tracing local functions,
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methods, setf functions, and other entities supported by specific
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swank:swank-toggle-trace backends. Invoke via C-u C-t."
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(:authors "Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de>"
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"Tobias C. Rittweiler <tcr@freebits.de>")
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(:license "GPL")
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(:slime-dependencies slime-parse))
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(defun slime-trace-query (spec)
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"Ask the user which function to trace; SPEC is the default.
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The result is a string."
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(cond ((null spec)
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(slime-read-from-minibuffer "(Un)trace: "))
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((stringp spec)
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(slime-read-from-minibuffer "(Un)trace: " spec))
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((symbolp spec) ; `slime-extract-context' can return symbols.
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(slime-read-from-minibuffer "(Un)trace: " (prin1-to-string spec)))
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(t
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(slime-dcase spec
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((setf n)
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(slime-read-from-minibuffer "(Un)trace: " (prin1-to-string spec)))
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((:defun n)
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(slime-read-from-minibuffer "(Un)trace: " (prin1-to-string n)))
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((:defgeneric n)
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(let* ((name (prin1-to-string n))
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(answer (slime-read-from-minibuffer "(Un)trace: " name)))
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(cond ((and (string= name answer)
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(y-or-n-p (concat "(Un)trace also all "
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"methods implementing "
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name "? ")))
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(prin1-to-string `(:defgeneric ,n)))
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(t
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answer))))
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((:defmethod &rest _)
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(slime-read-from-minibuffer "(Un)trace: " (prin1-to-string spec)))
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((:call caller callee)
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(let* ((callerstr (prin1-to-string caller))
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(calleestr (prin1-to-string callee))
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(answer (slime-read-from-minibuffer "(Un)trace: "
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calleestr)))
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(cond ((and (string= calleestr answer)
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(y-or-n-p (concat "(Un)trace only when " calleestr
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" is called by " callerstr "? ")))
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(prin1-to-string `(:call ,caller ,callee)))
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(t
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answer))))
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(((:labels :flet) &rest _)
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(slime-read-from-minibuffer "(Un)trace local function: "
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(prin1-to-string spec)))
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(t (error "Don't know how to trace the spec %S" spec))))))
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(defun slime-toggle-fancy-trace (&optional using-context-p)
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"Toggle trace."
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(interactive "P")
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(let* ((spec (if using-context-p
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(slime-extract-context)
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(slime-symbol-at-point)))
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(spec (slime-trace-query spec)))
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(message "%s" (slime-eval `(swank:swank-toggle-trace ,spec)))))
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;; override slime-toggle-trace-fdefinition
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(define-key slime-prefix-map "\C-t" 'slime-toggle-fancy-trace)
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(provide 'slime-fancy-trace)
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